# Number Blast vs BioDerma Knowledge Buzzer

The clearest difference is in-app purchases: BioDerma Knowledge Buzzer at none against Number Blast's 8. BioDerma Knowledge Buzzer also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Number Blast sells 8 one-off in-app purchases. BioDerma Knowledge Buzzer asks for nothing beyond the download.

## The numbers

| Metric | Number Blast | BioDerma Knowledge Buzzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1K ratings)](https://appshunter.io/ios/app/number-blast-puzzle-game/id1526813282/reviews)** | — |
| Number of ratings | **1K** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 173 MB | 202 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Inspired Square FZE](https://appshunter.io/developer/1480338371) | [Pixelhunters](https://appshunter.io/developer/1005011629) |

## What reviewers say

### Number Blast

[App page](https://appshunter.io/ios/app/number-blast-puzzle-game/id1526813282)

Merge blocks with the same number to create higher numbers and reach 2048 and beyond. This casual puzzle game offers unlimited fun with smooth controls, no time limits, and an auto-saving system. Collect diamonds to progress and enjoy a brain-training experience.

**Highlights:** Merge blocks with same numbers, Reach 2048 and high numbers, Swap blocks, Auto-saving system, Collect diamonds, No time limits, Multiple themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Diamonds | $0.99 | one-time |
| Pouch of Diamonds | $2.99 | one-time |
| Bucket of Diamonds | $4.99 | one-time |
| Ad Free | $7.99 | one-time |
| Stash of Diamonds | $9.99 | one-time |
| Bank of Diamonds | $24.99 | one-time |
| Vault of Diamonds | $49.99 | one-time |
| Mountain of Diamonds | $99.99 | one-time |

**What reviewers like**

- 💤 Helps with insomnia
- 🎮 Fun and challenging gameplay

**What reviewers complain about**

- 💩 Excessive ads
- 🔨 Significant changes to gameplay
- 🕹️ Boring and mediocre gameplay

**Reported bugs**

- Daily spinning wheel not working
- Scores not saving or showing new high scores

**Requested features**

- Ability to close the game from within the game
- Option to disable ads


### BioDerma Knowledge Buzzer

[App page](https://appshunter.io/ios/app/bioderma-knowledge-buzzer/id1607294502)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Blast free?

Number Blast is free to download, with in-app purchases available.

### Is BioDerma Knowledge Buzzer free?

BioDerma Knowledge Buzzer is free to download, with no in-app purchases.

### Do Number Blast or BioDerma Knowledge Buzzer have ads?

Number Blast shows ads; BioDerma Knowledge Buzzer does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*